private void ParseEntities(ISymbolEnumerator symbols)
{
Symbol temp = symbols.NextNonEOLSymbol();
SymbolList buffer = new SymbolList();
while (temp != Symbol.End)
{
if (temp == Symbol.Assign)
{
ParseEntity(buffer, symbols);
buffer.Clear();
// skip linebreaks behind an entity
temp = symbols.NextNonEOLSymbol();
}
else
{
buffer.Add(temp);
temp = symbols.NextSymbol();
}
}
}
private bool Parse(ParseParams pp, char current, int row, int column)
{
switch (current)
{
case '\n':
case '{':
case '}':
case '(':
case ')':
case '[':
case ']':
case ';':
case ',':
case '|':
if (!pp.StringSection)
{
bool moveNext = ParseLastSymbol(pp, row, column);
if (moveNext)
{
_symbols.Add(CreateSpecialSymbol(pp.File, '\n', row, column));
return(true);
}
_symbols.Add(CreateSpecialSymbol(pp.File, current, row, column));
return(false);
}
break;
case '"':
pp.StringSection = !pp.StringSection;
break;
case '\r':
return(false);
default:
if ((int)current == 0x1A)
{
// IMPORTANT: ignore invisible characters such as SUB.
return(false);
}
if (Char.IsWhiteSpace(current) && !pp.AssignSection && !pp.StringSection)
{
bool moveNext = ParseLastSymbol(pp, row, column);
if (moveNext)
{
_symbols.Add(CreateSpecialSymbol(pp.File, '\n', row, column));
return(true);
}
return(false);
}
if (pp.AssignAhead)
{
pp.AssignAhead = false;
ParseLastSymbol(pp, row, column);
break;
}
if (pp.DotSection && current != '.')
{
ParseLastSymbol(pp, row, column);
pp.DotSection = false;
}
if (current == '.' && !pp.StringSection)
{
if (!pp.DotSection)
{
ParseLastSymbol(pp, row, column);
pp.DotSection = true;
}
}
if (current == ':' && !pp.StringSection)
{
if (!pp.AssignSection)
{
ParseLastSymbol(pp, row, column);
}
pp.AssignSection = true;
}
if (current == '=' && !pp.StringSection)
{
pp.AssignSection = false;
pp.AssignAhead = true;
}
break;
}
pp.Temp.Append(current);
return(false);
}